Full-Stack Developer Needed (React / Next.js / Node.js)

Project Overview We are seeking an experienced Full-Stack Developer to perform a targeted audit, resolve specific UI/logic issues, and optimize our AI-powered SaaS platform. We have a defined scope of work estimated at roughly 30–35 hours ($1,000 fixed budget at a $30/hr rate). Tech Stack - Frontend: Next.js / React.js - Backend: Node.js - Database: MongoDB Scope of Work (~33 Hours Total) 1. Platform Audit & Performance Advice (8–10 hours): Review existing codebase modules, evaluate multi-tenant setup, and provide actionable recommendations to improve application speed and scalability. 2. Booking Flow & Address Bug Fix (8–10 hours): Diagnose and resolve an issue where shipping addresses display incorrectly during specific scenario flows. 3. UI Updates & Optimizations (3–5 hours): Update the platform logo and ensure proper sizing, rendering, and responsiveness across all views. 4. Testing & Quality Assurance (5–8 hours): Thoroughly test all fixes to ensure production stability and confirm no regressions in related modules. Requirements - Proven experience with Next.js, Node.js, and MongoDB in production SaaS environments. - Ability to quickly navigate and understand an existing codebase without extensive hand-holding. - Detail-oriented approach to debugging and writing clean, scalable code. - Experience with AI-integrated apps or multi-tenant architectures is a strong plus. To Apply: Please send a brief summary of your experience with Next.js/Node.js, examples of SaaS platforms you’ve worked on, and your availability to start.